<!DOCTYPE html>
<script>
var ac = new AudioContext();
fetch("audio.ogg").then(response => {
  return response.arrayBuffer();
}).then(ab => {
  return ac.decodeAudioData(ab);
}).then(ab => {
  var src = ac.createBufferSource();
  src.buffer = ab;
  src.loop = true;
  src.start();
  src.connect(ac.destination);
});
</script>
